chore: jest から vitest に移行

Co-Authored-By: Claude Sonnet <noreply@anthropic.com>

Author: Himenon

jest.config.cjs

@@ -64,16 +64,16 @@
     "lint": "biome lint .",
     "release:github:registry": "pnpm publish  --no-git-checks --registry https://npm.pkg.github.com/:_authToken=${NODE_AUTH_TOKEN}",
     "release:npm:registry": "pnpm publish --no-git-checks",
-    "test": "run-p test:depcruise test:jest test:code:gen:* test:snapshot",
+    "test": "run-p test:depcruise test:vitest test:code:gen:* test:snapshot",
     "test:code:gen": "run-p test:code:gen:*",
     "test:code:gen:class": "pnpm ts ./scripts/testCodeGenWithClass.ts",
     "test:code:gen:currying-function": "pnpm ts ./scripts/testCodeGenWithCurryingFunctional.ts",
     "test:code:gen:function": "pnpm ts ./scripts/testCodeGenWithFunctional.ts",
     "test:depcruise": "depcruise --validate .dependency-cruiser.cjs src",
-    "test:jest": "cross-env NODE_OPTIONS=--experimental-specifier-resolution=node jest -c ./jest.config.cjs --collect-coverage",
-    "test:snapshot": "jest -c ./jest.snapshot.config.cjs",
+    "test:snapshot": "vitest run --config ./vitest.snapshot.config.ts",
+    "test:vitest": "vitest run --config ./vitest.config.ts --coverage",
     "ts": "node --no-warnings=ExperimentalWarning --experimental-specifier-resolution=node --loader ts-node/esm",
-    "update:snapshot": "pnpm jest -c ./jest.snapshot.config.cjs --updateSnapshot",
+    "update:snapshot": "vitest run --config ./vitest.snapshot.config.ts --update",
     "validate": "pnpm ts ./scripts/validate.ts",
     "watch": "pnpm ts ./scripts/watch.ts"
   },
@@ -93,34 +93,30 @@
     "@himenon/path-oriented-data-structure": "1.0.2",
     "@swc/core": "^1.15.30",
     "@swc/helpers": "^0.5.21",
-    "@swc/jest": "^0.2.39",
     "@types/chokidar": "2.1.7",
-    "@types/jest": "30.0.0",
     "@types/js-yaml": "4.0.9",
     "@types/node": "25.6.0",
     "@types/rimraf": "4.0.5",
+    "@vitest/coverage-v8": "^4.1.5",
     "chokidar": "5.0.0",
     "conventional-changelog-angular-all": "1.7.0",
     "cpy": "13.2.1",
-    "cross-env": "^10.1.0",
     "dependency-cruiser": "17.3.10",
     "dot-prop": "10.1.0",
     "execa": "9.6.1",
     "generate-changelog": "1.8.0",
     "import-sort-style-module": "6.0.0",
-    "jest": "30.3.0",
-    "jest-cli": "30.3.0",
     "lefthook": "^2.1.6",
     "lerna": "9.0.7",
     "npm-run-all": "4.1.5",
     "openapi-schema-validator": "12.1.3",
     "read-package-up": "^12.0.0",
     "rimraf": "6.1.3",
     "sort-package-json": "3.6.1",
-    "ts-jest": "29.4.9",
     "ts-node": "10.9.2",
     "tsup": "^8.5.1",
-    "typescript": "6.0.3"
+    "typescript": "6.0.3",
+    "vitest": "^4.1.5"
   },
   "peerDependencies": {
     "typescript": ">=5"